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转自:http://www.cs.mtu.edu/~shene/COURSES/cs3621/NOTES/spline/Bezier/de-casteljau.htmlFinding a Point on a Bézier Curve: De Casteljau's AlgorithmFollowing the construction of a Bézier curve, the next important task is to find the pointC(u) on the curve for a particularu. A simple way is 阅读全文